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Finding the Fourth Proportional to 622.26, 935.10 and 581.63

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Solution

The fourth proportional to 622.26, 935.10 and 581.63 is: 874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.26 : 935.10 = 581.63 : x
  2. Step 2: Convert to fraction form
    622.26/935.10 = 581.63/x
  3. Step 3: Cross multiply
    622.26x = 935.10 × 581.63
  4. Step 4: Simplify right side
    622.26x = 543,878.03
  5. Step 5: Solve for x
    x = 543,878.03/622.26
  6. Step 6: Final answer
    x = 874.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.